1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2001 Mitsuru IWASAKI
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef _SYS_POWER_H_
30#define _SYS_POWER_H_
31
32#include <sys/_eventhandler.h>
33
34/* Power management system type */
35#define POWER_PM_TYPE_ACPI		0x01
36#define POWER_PM_TYPE_NONE		0xff
37
38/* Commands for Power management function */
39#define POWER_CMD_SUSPEND		0x00
40
41/* Sleep state */
42#define POWER_SLEEP_STATE_STANDBY	0x00
43#define POWER_SLEEP_STATE_SUSPEND	0x01
44#define POWER_SLEEP_STATE_HIBERNATE	0x02
45
46typedef int (*power_pm_fn_t)(u_long, void*, ...);
47extern int	 power_pm_register(u_int, power_pm_fn_t, void *);
48extern u_int	 power_pm_get_type(void);
49extern void	 power_pm_suspend(int);
50
51/*
52 * System power API.
53 */
54#define POWER_PROFILE_PERFORMANCE        0
55#define POWER_PROFILE_ECONOMY            1
56
57extern int	power_profile_get_state(void);
58extern void	power_profile_set_state(int);
59
60typedef void (*power_profile_change_hook)(void *, int);
61EVENTHANDLER_DECLARE(power_profile_change, power_profile_change_hook);
62
63#endif	/* !_SYS_POWER_H_ */
64